This myth about PLU codes continues to circulate. While it is true that four-digit codes (NNNN) represent non-organic produce and five-digit codes starting with 9 (9NNNN) mean organic, and it's even true that 8XXXX codes are reserved for GM produce, the fact is that using the 8XXXX codes isn't mandatory and no one does it. The only way to avoid GM produce is to buy organic or look for a "no GMOs" pledge.
More details at The Huffington Post: PLU Codes Do Not Indicate Genetically Modified Produce
Let's put a rumor to rest. No, the 5-digit PLU codes on produce do not tell you what is genetically modified or natural. This urban legend has circulated long enough, even on the best of websites. It's time to take it down.
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